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https://github.com/percona/percona-toolkit.git
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61 lines
2.0 KiB
Plaintext
61 lines
2.0 KiB
Plaintext
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# Profile
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# Rank Query ID Response time Calls R/Call V/M Item
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# ==== ================== ============= ===== ====== ===== ========
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# 1 0xD4B6A5CD2F2F485C 0.2148 100.0% 1 0.2148 0.00 SELECT t
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# Query 1: 0 QPS, 0x concurrency, ID 0xD4B6A5CD2F2F485C at byte 0 ________
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# This item is included in the report because it matches --limit.
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# Scores: V/M = 0.00
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# Time range: all events occurred at 2010-12-14 16:12:28
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# Attribute pct total min max avg 95% stddev median
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# ============ === ======= ======= ======= ======= ======= ======= =======
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# Count 100 1
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# Exec time 100 215ms 215ms 215ms 215ms 215ms 0 215ms
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# Lock time 99 162us 162us 162us 162us 162us 0 162us
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# Rows sent 100 10 10 10 10 10 0 10
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# Rows examine 100 1.96k 1.96k 1.96k 1.96k 1.96k 0 1.96k
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# Query size 100 82 82 82 82 82 0 82
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# String:
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# Databases issue_1196
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# Hosts localhost
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# Users root
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# Query_time distribution
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# 1us
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# 10us
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# 100us
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# 1ms
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# 10ms
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# 100ms ################################################################
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# 1s
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# 10s+
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# Tables
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# SHOW TABLE STATUS FROM `issue_1196` LIKE 't'\G
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# SHOW CREATE TABLE `issue_1196`.`t`\G
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# EXPLAIN /*!50100 PARTITIONS*/
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select t.a, count(*) from t join t t2 using(a) group by 1 order by 2 desc limit 10\G
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# *************************** 1. row ***************************
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# id: 1
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# select_type: SIMPLE
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# table: t
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# partitions: NULL
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# type: ALL
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# possible_keys: NULL
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# key: NULL
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# key_len: NULL
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# ref: NULL
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# rows: 14
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# Extra: Using temporary; Using filesort
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# *************************** 2. row ***************************
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# id: 1
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# select_type: SIMPLE
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# table: t2
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# partitions: NULL
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# type: ALL
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# possible_keys: NULL
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# key: NULL
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# key_len: NULL
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# ref: NULL
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# rows: 14
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# Extra: Using where; Using join buffer
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